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江苏省徐州市科委于1980年12月28～30日在徐州市召开《SMY—H_1矿用电子电话机》和《SMY—AO型矿用电话耦合器》鉴定会议。 参加会议的有徐州市科委、江苏省煤炭工业局、徐州矿务局、煤炭部上海防爆检验站、江苏省邮电研究所、煤炭科学研究院唐山研究所、常熟煤矿通讯设备厂、沈阳煤矿设计院、山东省煤矿设计院,兖州煤矿设计院、安徽省煤研所、开滦煤矿、江苏省煤研所、阳泉矿务局等28个单位48位代表。
Xuzhou City, Jiangsu Province, Science and Technology Commission in December 1980 December 28 to 30 held in Xuzhou City, “SMY-H_1 mine telephone and SMY-AO mine telephone coupler” meeting. Xuzhou Municipal Science and Technology Commission, Coal Industry Bureau of Jiangsu Province, Xuzhou Mining Bureau, Shanghai Explosion-proof Inspection Station of Coal Ministry, Jiangsu Institute of Posts and Telecommunications, Tangshan Institute of Coal Science Research Institute, Changshu Coal Mine Communication Equipment Factory, Shenyang Coal Mine Design Institute of Coal Mine Design Institute in Shandong Province, Yanzhou Coal Mining Design Institute, Coal Research Institute in Anhui Province, Kailuan Coal Mine, Coal Institute of Jiangsu Province, Yangquan Mining Bureau and other 28 units 48 representatives.